Palazzo San Sebastiano
Palazzo in Mantua, Italy

The Palazzo San Sebastiano is a 16th-century palace in Mantua. Built by the Gonzaga family, since 19 March 2005 it has housed Mantua's city museum (Museo della Città di Palazzo San Sebastiano).
History
The building was constructed between 1506 and 1508 by Francesco II Gonzaga and became his favourite residence until his death in 1519. It was designed by Gerolamo Arcari and Bernardino Ghisolfo, who also commissioned artists such as Lorenzo Leonbruno, Matteo Costa and Lorenzo Costa the Elder to decorate the interior. The Palazzo's main hall was also the original setting for Mantegna's Triumphs of Caesar, now at Hampton Court near London.
After 1519 the Palazzo lost its prime position among the Gonzaga palaces, with its most valuable furniture and paintings moved elsewhere, and it was used by the Gonzaga di Novellara, Gazzuolo and Castiglione delle Stiviere branches of the family. It was in this Palazzo that Aloysius Gonzaga (a future saint) ceded his inheritance to his younger brother Rodolfo. The building was then forgotten until the mid 18th century, when it became a storehouse and barracks for the Austrian government. This usage accelerated the damage to and decay of the original structure, with the frescoes almost completely disappearing, especially when the building was used as a hospital in 1883. It was restored in the 20th century and became a public baths, an elephant colony, schools, storerooms and recreational societies.
This brief starts where responsible research should: with the source description of “Palazzo San Sebastiano” as palazzo in Mantua, Italy. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as palazzo in Mantua, Italy. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Oct 15, 2025. The linked authority identifier is Q136688457. Authority coordinates are 45.150, 10.787. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2005, 1506, 1508 and 1519.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Palazzo San Sebastiano” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.